Linux OS Shell Interview Preparation Guide
Linux OS Shell frequently Asked Questions by expert members with experience in Linux Shell. These questions and answers will help you strengthen your technical skills, prepare for the new job test and quickly revise the concepts53 Linux Shell Questions and Answers:
1 :: The statement z = 'expr 5 / 2′ would store which of the following values in z?
a) 0
b) 1
c) 2
d) 2.5
e) 3
c) 2
5 :: What is the output of the following program?
b =
[ -n $b ]
echo $?
[ -z $b ]
echo $?
a) 1
1
b) 2
2
c) 0
0
d) 0
1
c) 0
0
0
6 :: What is the output of the following code:
os=Unix
echo 1.$os 2."$os" 3.'$os' 4.$os
a) 1.Unix 2.Unix 3.Unix 4.Unix
b) 1.Unix 2.Unix 3.$os 4.Unix
c) 1.Unix 2.Unix 3.Unix 4.$os
d) 1.Unix 2.$os 3.$os 4.$os
b) 1.Unix 2.Unix 3.$os 4.Unix
7 :: Create a new file "new.txt" that is a concatenation of "file1.txt" and "file2.txt"?
a) cp file.txt file2.txt new.txt
b) cat file1.txt file2.txt > new.txt
c) mv file[12].txt new.txt
d) ls file1.txt file2.txt | new.txt
b) cat file1.txt file2.txt > new.txt